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Ophthalmic Technician

Category - Pupillary Assessment

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Relative afferent pupillary defect (RAPD) is detected by which of the following tests?

Swinging flash light test
Krimsky test
Hirschberg test
Worth 4-dot test

Explanation

Answer: A - Swinging flash light test is used for detection of RAPD.

In a dimly lit room, a bright flash light is swung alternately between the two eyes for three seconds at each eye and the pupillary reflex is noted. RAPD is said to be present when the affected pupil paradoxically dilates when light is shone on it.

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